Could
another climate change deal be in the works? World leaders are meeting in
Brussels this month to discuss climate change. While environmentalists are
calling for urgent action to cut greenhouse gas emissions, diplomatic language
presented in the introductory document is most likely not ambitious enough.

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"Sustainable
economic growth will only be possible if we tackle climate change," a
draft communiqué ahead of the EU-US summit on 26 March says. The text is
subject to further negotiation between the European Union and the United
States.

Both blocs are
preparing new pledges on cutting emissions for the first quarter of 2015, ahead
of a UN summit in Paris that is meant to agree a new global deal.

Its aim must be to
limit any global average temperature increase to less than 2 degrees Celsius
compared with pre-industrial levels "and should therefore include
ambitious mitigation contributions, notably from the world's major economies
and other significant emitters," the document says.

Brussels has sought
to lead efforts to curb global warming with more ambitious carbon-cutting goals
than any other bloc, but some of its member states, notably Poland, say there
is no point in Europe taking the lead when it is responsible for little more
than 10% of global emissions.

About 40% of
greenhouse gas emissions come from the US, the world's second biggest emitter,
and China,
which tops the pollution table.

Earlier this month,
the UN's climate chief, Christiana Figueres, said closer cooperation between
Beijing and Washington could boost prospects for a UN deal in 2015.

European
environmental campaigners say such a partnership could also marginalize Europe
in the debate, and in the race to keep up with technological advances to decarbonize
energy.

To prepare its negotiating
stance ahead of the 2015 talks, the EU executive, in January proposed 2030
climate and energy goals, including a 40% carbon-cutting target. That compares
with a 2020 goal to cut emissions by 20% from 1990 levels, which has almost
been achieved.

By contrast, the US
has said it will reduce carbon by 17% by 2020 compared with 2005, a fall of
just 3.5% below 1990 levels.

Shortly before
Obama's visit to Brussels, a summit of EU leaders on 20-21March, will debate
2030 climate and energy policy, but is not expected to reach a firm agreement,
due to the blocking Polish vote.